// sub menu expand/collapse menu js

var OpenMenuId = "";
//var CookieStoreMenuId = "";

function expandMenu(id)
{
    var menuDisplaySetting = document.getElementById(id).style.display;
    
    if(menuDisplaySetting == "block")  // if menu is open collapse it
    { 
        document.getElementById(id).style.display = "none"; 
        if( OpenMenuId == id)
        { OpenMenuId = ""; }    
    }
    else
    {
        document.getElementById(id).style.display = "block";
        if(OpenMenuId != "")
        { 
            document.getElementById(OpenMenuId).style.display = "none";
        }
        OpenMenuId = id;
    }
 
   // CookieStoreMenuId = OpenMenuId;
}


// ------------ original version pre 9 july ------------------------

//function expandMenu(id)
//{
//    var objRef = document.getElementById(id).style;
//    
//    if( OpenMenuId == id )
//    {
//        if( objRef.display == "none" )
//        {
//            objRef.display = "block";
//            OpenMenuId = id;
//        }
//        else
//        {
//            objRef.display = "none";
//            OpenMenuId = "";
//        } 
//    }
//    else
//    {
//        if( OpenMenuId != "" )
//        {
//            document.getElementById(OpenMenuId).style.display = "none";
//        }
//        objRef.display = "block";
//        OpenMenuId = id;
//    }
//    
//    CookieStoreMenuId = OpenMenuId;
//}